diff options
Diffstat (limited to 'pango')
| -rw-r--r-- | pango/fonts.c | 53 | ||||
| -rw-r--r-- | pango/glyphstring.c | 18 | ||||
| -rw-r--r-- | pango/pango-attributes.c | 17 | ||||
| -rw-r--r-- | pango/pango-color.c | 13 | ||||
| -rw-r--r-- | pango/pango-glyph-item.c | 46 | ||||
| -rw-r--r-- | pango/pango-glyph-item.h | 5 | ||||
| -rw-r--r-- | pango/pango-item.c | 17 | ||||
| -rw-r--r-- | pango/pango-layout.c | 31 | ||||
| -rw-r--r-- | pango/pango-layout.h | 1 | ||||
| -rw-r--r-- | pango/pango-matrix.c | 24 | ||||
| -rw-r--r-- | pango/pango.def | 3 |
11 files changed, 165 insertions, 63 deletions
diff --git a/pango/fonts.c b/pango/fonts.c index 0979ba1a..88627636 100644 --- a/pango/fonts.c +++ b/pango/fonts.c @@ -657,19 +657,21 @@ pango_font_description_better_match (const PangoFontDescription *desc, /** * pango_font_description_copy: - * @desc: a #PangoFontDescription + * @desc: a #PangoFontDescription, may be %NULL * * Make a copy of a #PangoFontDescription. * * Return value: the newly allocated #PangoFontDescription, which should - * be freed with pango_font_description_free(). + * be freed with pango_font_description_free(), or %NULL + * if @desc was %NULL. **/ PangoFontDescription * pango_font_description_copy (const PangoFontDescription *desc) { PangoFontDescription *result; - g_return_val_if_fail (desc != NULL, NULL); + if (desc == NULL) + return NULL; result = g_slice_new (PangoFontDescription); @@ -686,7 +688,7 @@ pango_font_description_copy (const PangoFontDescription *desc) /** * pango_font_description_copy_static: - * @desc: a #PangoFontDescription + * @desc: a #PangoFontDescription, may be %NULL * * Like pango_font_description_copy(), but only a shallow copy is made * of the family name and other allocated fields. The result can only @@ -694,14 +696,16 @@ pango_font_description_copy (const PangoFontDescription *desc) * when the copy is only needed temporarily. * * Return value: the newly allocated #PangoFontDescription, which should - * be freed with pango_font_description_free(). + * be freed with pango_font_description_free(), or %NULL + * if @desc was %NULL. **/ PangoFontDescription * pango_font_description_copy_static (const PangoFontDescription *desc) { PangoFontDescription *result; - g_return_val_if_fail (desc != NULL, NULL); + if (desc == NULL) + return NULL; result = g_slice_new (PangoFontDescription); @@ -794,25 +798,25 @@ pango_font_description_hash (const PangoFontDescription *desc) /** * pango_font_description_free: - * @desc: a #PangoFontDescription, or %NULL + * @desc: a #PangoFontDescription, may be %NULL * * Frees a font description. **/ void pango_font_description_free (PangoFontDescription *desc) { - if (desc) - { - if (desc->family_name && !desc->static_family) - g_free (desc->family_name); + if (desc == NULL) + return; - g_slice_free (PangoFontDescription, desc); - } + if (desc->family_name && !desc->static_family) + g_free (desc->family_name); + + g_slice_free (PangoFontDescription, desc); } /** * pango_font_descriptions_free: - * @descs: a pointer to an array of #PangoFontDescription, or %NULL + * @descs: a pointer to an array of #PangoFontDescription, may be %NULL * @n_descs: number of font descriptions in @descs * * Frees a list of font descriptions from pango_font_map_list_fonts() @@ -823,12 +827,12 @@ pango_font_descriptions_free (PangoFontDescription **descs, { int i; - if (descs) - { - for (i = 0; i<n_descs; i++) - pango_font_description_free (descs[i]); - g_free (descs); - } + if (descs == NULL) + return; + + for (i = 0; i<n_descs; i++) + pango_font_description_free (descs[i]); + g_free (descs); } typedef struct @@ -1455,7 +1459,7 @@ pango_font_metrics_new (void) /** * pango_font_metrics_ref: - * @metrics: a #PangoFontMetrics structure + * @metrics: a #PangoFontMetrics structure, may be %NULL * * Increase the reference count of a font metrics structure by one. * @@ -1464,7 +1468,7 @@ pango_font_metrics_new (void) PangoFontMetrics * pango_font_metrics_ref (PangoFontMetrics *metrics) { - if (!metrics) + if (metrics == NULL) return NULL; metrics->ref_count++; @@ -1474,7 +1478,7 @@ pango_font_metrics_ref (PangoFontMetrics *metrics) /** * pango_font_metrics_unref: - * @metrics: a #PangoFontMetrics structure + * @metrics: a #PangoFontMetrics structure, may be %NULL * * Decrease the reference count of a font metrics structure by one. If * the result is zero, frees the structure and any associated @@ -1483,8 +1487,9 @@ pango_font_metrics_ref (PangoFontMetrics *metrics) void pango_font_metrics_unref (PangoFontMetrics *metrics) { - if (!metrics) + if (metrics == NULL) return; + g_return_if_fail (metrics->ref_count > 0 ); metrics->ref_count--; diff --git a/pango/glyphstring.c b/pango/glyphstring.c index d8e4dd31..6aeba2b7 100644 --- a/pango/glyphstring.c +++ b/pango/glyphstring.c @@ -92,17 +92,23 @@ pango_glyph_string_get_type (void) /** * pango_glyph_string_copy: - * @string: a #PangoGlyphString. + * @string: a #PangoGlyphString, may be %NULL * - * Copy a glyph string and associated storage. + * Copy a glyph string and associated storage. * * Return value: the newly allocated #PangoGlyphString, which - * should be freed with pango_glyph_string_free(). + * should be freed with pango_glyph_string_free(), + * or %NULL if @string was %NULL. */ PangoGlyphString * pango_glyph_string_copy (PangoGlyphString *string) { - PangoGlyphString *new_string = g_slice_new (PangoGlyphString); + PangoGlyphString *new_string; + + if (new_string == NULL) + return NULL; + + new_string = g_slice_new (PangoGlyphString); *new_string = *string; @@ -116,13 +122,15 @@ pango_glyph_string_copy (PangoGlyphString *string) /** * pango_glyph_string_free: - * @string: a #PangoGlyphString. + * @string: a #PangoGlyphString, may be %NULL * * Free a glyph string and associated storage. */ void pango_glyph_string_free (PangoGlyphString *string) { + if (string == NULL) + return; g_free (string->glyphs); g_free (string->log_clusters); g_slice_free (PangoGlyphString, string); diff --git a/pango/pango-attributes.c b/pango/pango-attributes.c index a9a4c26a..1b864678 100644 --- a/pango/pango-attributes.c +++ b/pango/pango-attributes.c @@ -1060,7 +1060,7 @@ pango_attr_list_new (void) /** * pango_attr_list_ref: - * @list: a #PangoAttrList + * @list: a #PangoAttrList, may be %NULL * * Increase the reference count of the given attribute list by one. * @@ -1071,7 +1071,8 @@ pango_attr_list_new (void) PangoAttrList * pango_attr_list_ref (PangoAttrList *list) { - g_return_val_if_fail (list != NULL, NULL); + if (list == NULL) + return NULL; list->ref_count++; @@ -1080,7 +1081,7 @@ pango_attr_list_ref (PangoAttrList *list) /** * pango_attr_list_unref: - * @list: a #PangoAttrList + * @list: a #PangoAttrList, may be %NULL * * Decrease the reference count of the given attribute list by one. * If the result is zero, free the attribute list and the attributes @@ -1091,7 +1092,9 @@ pango_attr_list_unref (PangoAttrList *list) { GSList *tmp_list; - g_return_if_fail (list != NULL); + if (list == NULL) + return; + g_return_if_fail (list->ref_count > 0); list->ref_count--; @@ -1114,13 +1117,14 @@ pango_attr_list_unref (PangoAttrList *list) /** * pango_attr_list_copy: - * @list: a #PangoAttrList + * @list: a #PangoAttrList, may be %NULL * * Copy @list and return an identical new list. * * Return value: the newly allocated #PangoAttrList, with a * reference count of one, which should * be freed with pango_attr_list_unref(). + * Returns %NULL if @list was %NULL. **/ PangoAttrList * pango_attr_list_copy (PangoAttrList *list) @@ -1129,7 +1133,8 @@ pango_attr_list_copy (PangoAttrList *list) GSList *iter; GSList *new_attrs; - g_return_val_if_fail (list != NULL, NULL); + if (list == NULL) + return NULL; new = pango_attr_list_new (); diff --git a/pango/pango-color.c b/pango/pango-color.c index beae87fa..eec81ae4 100644 --- a/pango/pango-color.c +++ b/pango/pango-color.c @@ -42,7 +42,7 @@ pango_color_get_type (void) /** * pango_color_copy: - * @src: color to copy + * @src: color to copy, may be %NULL * * Creates a copy of @src, which should be freed with * pango_color_free(). Primarily used by language bindings, @@ -50,14 +50,16 @@ pango_color_get_type (void) * by assignment in C). * * Return value: the newly allocated #PangoColor, which should - * be freed with pango_color_free(). + * be freed with pango_color_free(), or %NULL + * if @src was %NULL. **/ PangoColor* pango_color_copy (const PangoColor *src) { PangoColor *ret; - g_return_val_if_fail (src != NULL, NULL); + if (src == NULL) + return NULL; ret = g_slice_new (PangoColor); @@ -68,14 +70,15 @@ pango_color_copy (const PangoColor *src) /** * pango_color_free: - * @color: an allocated #PangoColor + * @color: an allocated #PangoColor, may be %NULL * * Frees a color allocated by pango_color_copy(). **/ void pango_color_free (PangoColor *color) { - g_return_if_fail (color != NULL); + if (color == NULL) + return; g_slice_free (PangoColor, color); } diff --git a/pango/pango-glyph-item.c b/pango/pango-glyph-item.c index 07b844bc..1da934a4 100644 --- a/pango/pango-glyph-item.c +++ b/pango/pango-glyph-item.c @@ -24,6 +24,7 @@ #include "pango-glyph-item.h" #include "pango-glyph-item-private.h" +#include "pango-impl-utils.h" #define LTR(glyph_item) (((glyph_item)->item->analysis.level % 2) == 0) @@ -130,8 +131,36 @@ pango_glyph_item_split (PangoGlyphItem *orig, } /** + * pango_glyph_item_copy: + * @orig: a #PangoGlyphItem, may be %NULL + * + * Make a deep copy an existing #PangoGlyphItem structure. + * + * Return value: the newly allocated #PangoGlyphItem, which should + * be freed with pango_glyph_item_free(), or %NULL + * if @orig was %NULL. + * + * Since: 1.20 + **/ +PangoGlyphItem * +pango_glyph_item_copy (PangoGlyphItem *orig) +{ + PangoGlyphItem *result; + + if (orig == NULL) + return NULL; + + result = g_slice_new (PangoGlyphItem); + + result->item = pango_item_copy (orig->item); + result->glyphs = pango_glyph_string_copy (orig->glyphs); + + return result; +} + +/** * pango_glyph_item_free: - * @glyph_item: a #PangoGlyphItem + * @glyph_item: a #PangoGlyphItem, may be %NULL * * Frees a #PangoGlyphItem and memory to which it points. * @@ -140,6 +169,9 @@ pango_glyph_item_split (PangoGlyphItem *orig, void pango_glyph_item_free (PangoGlyphItem *glyph_item) { + if (glyph_item == NULL) + return; + if (glyph_item->item) pango_item_free (glyph_item->item); if (glyph_item->glyphs) @@ -148,6 +180,18 @@ pango_glyph_item_free (PangoGlyphItem *glyph_item) g_slice_free (PangoGlyphItem, glyph_item); } +GType +pango_glyph_item_get_type (void) +{ + static GType our_type = 0; + + if (G_UNLIKELY (our_type == 0)) + our_type = g_boxed_type_register_static (I_("PangoGlyphItem"), + (GBoxedCopyFunc) pango_glyph_item_copy, + (GBoxedFreeFunc) pango_glyph_item_free); + return our_type; +} + /** * _pango_glyph_item_iter_next_cluster: * @iter: a #PangoGlyphItemIter diff --git a/pango/pango-glyph-item.h b/pango/pango-glyph-item.h index fec086a4..4bad2651 100644 --- a/pango/pango-glyph-item.h +++ b/pango/pango-glyph-item.h @@ -37,9 +37,14 @@ struct _PangoGlyphItem PangoGlyphString *glyphs; }; +#define PANGO_TYPE_GLYPH_ITEM (pango_glyph_item_get_type ()) + +GType pango_glyph_item_get_type (void) G_GNUC_CONST; + PangoGlyphItem *pango_glyph_item_split (PangoGlyphItem *orig, const char *text, int split_index); +PangoGlyphItem *pango_glyph_item_copy (PangoGlyphItem *orig); void pango_glyph_item_free (PangoGlyphItem *glyph_item); GSList * pango_glyph_item_apply_attrs (PangoGlyphItem *glyph_item, const char *text, diff --git a/pango/pango-item.c b/pango/pango-item.c index d5650827..3c7ff57c 100644 --- a/pango/pango-item.c +++ b/pango/pango-item.c @@ -42,18 +42,24 @@ pango_item_new (void) /** * pango_item_copy: - * @item: a #PangoItem + * @item: a #PangoItem, may be %NULL * * Copy an existing #PangoItem structure. * * Return value: the newly allocated #PangoItem, which should - * be freed with pango_item_free(). + * be freed with pango_item_free(), or %NULL if + * @item was NULL. **/ PangoItem * pango_item_copy (PangoItem *item) { GSList *extra_attrs, *tmp_list; - PangoItem *result = g_slice_new (PangoItem); + PangoItem *result; + + if (item == NULL) + return NULL; + + result = g_slice_new (PangoItem); result->offset = item->offset; result->length = item->length; @@ -78,13 +84,16 @@ pango_item_copy (PangoItem *item) /** * pango_item_free: - * @item: a #PangoItem + * @item: a #PangoItem, may be %NULL * * Free a #PangoItem and all associated memory. **/ void pango_item_free (PangoItem *item) { + if (item == NULL) + return; + if (item->analysis.extra_attrs) { g_slist_foreach (item->analysis.extra_attrs, (GFunc)pango_attribute_destroy, NULL); diff --git a/pango/pango-layout.c b/pango/pango-layout.c index 0c6c7717..4ddb4b7c 100644 --- a/pango/pango-layout.c +++ b/pango/pango-layout.c @@ -3675,7 +3675,7 @@ pango_layout_check_lines (PangoLayout *layout) /** * pango_layout_line_ref: - * @line: a #PangoLayoutLine + * @line: a #PangoLayoutLine, may be %NULL * * Increase the reference count of a #PangoLayoutLine by one. * @@ -3688,7 +3688,8 @@ pango_layout_line_ref (PangoLayoutLine *line) { PangoLayoutLinePrivate *private = (PangoLayoutLinePrivate *)line; - g_return_val_if_fail (line != NULL, NULL); + if (line == NULL) + return NULL; private->ref_count++; @@ -3708,7 +3709,9 @@ pango_layout_line_unref (PangoLayoutLine *line) { PangoLayoutLinePrivate *private = (PangoLayoutLinePrivate *)line; - g_return_if_fail (line != NULL); + if (line == NULL) + return; + g_return_if_fail (private->ref_count > 0); private->ref_count--; @@ -5153,12 +5156,27 @@ update_run (PangoLayoutIter *iter, } } -static PangoLayoutIter * +/** + * pango_layout_iter_copy: + * @iter: a #PangoLayoutIter, may be %NULL + * + * Copies a #PangLayoutIter. + * + * Return value: the newly allocated #PangoLayoutIter, which should + * be freed with pango_layout_iter_free(), or %NULL if + * @iter was %NULL. + * + * Since: 1.20 + **/ +PangoLayoutIter * pango_layout_iter_copy (PangoLayoutIter *iter) { PangoLayoutIter *new; GSList *l; + if (iter == NULL) + return NULL; + new = g_slice_new (PangoLayoutIter); new->layout = g_object_ref (iter->layout); @@ -5269,14 +5287,15 @@ pango_layout_get_iter (PangoLayout *layout) /** * pango_layout_iter_free: - * @iter: a #PangoLayoutIter + * @iter: a #PangoLayoutIter, may be %NULL * * Frees an iterator that's no longer in use. **/ void pango_layout_iter_free (PangoLayoutIter *iter) { - g_return_if_fail (iter != NULL); + if (iter == NULL) + return; g_slist_foreach (iter->line_extents, (GFunc)extents_free, NULL); g_slist_free (iter->line_extents); diff --git a/pango/pango-layout.h b/pango/pango-layout.h index 4e582b45..2deeedcf 100644 --- a/pango/pango-layout.h +++ b/pango/pango-layout.h @@ -243,6 +243,7 @@ typedef struct _PangoLayoutIter PangoLayoutIter; GType pango_layout_iter_get_type (void) G_GNUC_CONST; PangoLayoutIter *pango_layout_get_iter (PangoLayout *layout); +PangoLayoutIter *pango_layout_iter_copy (PangoLayoutIter *iter); void pango_layout_iter_free (PangoLayoutIter *iter); int pango_layout_iter_get_index (PangoLayoutIter *iter); diff --git a/pango/pango-matrix.c b/pango/pango-matrix.c index 828d4f90..a8df59e3 100644 --- a/pango/pango-matrix.c +++ b/pango/pango-matrix.c @@ -41,7 +41,7 @@ pango_matrix_get_type (void) /** * pango_matrix_copy: - * @matrix: a #PangoMatrix, can be %NULL + * @matrix: a #PangoMatrix, may be %NULL * * Copies a #PangoMatrix. * @@ -56,31 +56,31 @@ pango_matrix_copy (const PangoMatrix *matrix) { PangoMatrix *new_matrix; - if (matrix) - { - new_matrix = g_slice_new (PangoMatrix); - *new_matrix = *matrix; - } - else - new_matrix = NULL; + if (matrix == NULL) + return NULL; + + new_matrix = g_slice_new (PangoMatrix); + + *new_matrix = *matrix; return new_matrix; } /** * pango_matrix_free: - * @matrix: a #PangoMatrix, or %NULL + * @matrix: a #PangoMatrix, may be %NULL * * Free a #PangoMatrix created with pango_matrix_copy(). - * Does nothing if @matrix is %NULL. * * Since: 1.6 **/ void pango_matrix_free (PangoMatrix *matrix) { - if (matrix) - g_slice_free (PangoMatrix, matrix); + if (matrix == NULL) + return; + + g_slice_free (PangoMatrix, matrix); } /** diff --git a/pango/pango.def b/pango/pango.def index 5dc464dc..3f822f6c 100644 --- a/pango/pango.def +++ b/pango/pango.def @@ -175,7 +175,9 @@ EXPORTS pango_get_mirror_char pango_get_sysconf_subdirectory pango_glyph_item_apply_attrs + pango_glyph_item_copy pango_glyph_item_free + pango_glyph_item_get_type pango_glyph_item_letter_space pango_glyph_item_split pango_glyph_string_copy @@ -243,6 +245,7 @@ EXPORTS pango_layout_is_ellipsized pango_layout_is_wrapped pango_layout_iter_at_last_line + pango_layout_iter_copy pango_layout_iter_free pango_layout_iter_get_baseline pango_layout_iter_get_char_extents |